CN1168627A - 自粘合吸收用品 - Google Patents

自粘合吸收用品 Download PDF

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CN1168627A
CN1168627A CN95195952A CN95195952A CN1168627A CN 1168627 A CN1168627 A CN 1168627A CN 95195952 A CN95195952 A CN 95195952A CN 95195952 A CN95195952 A CN 95195952A CN 1168627 A CN1168627 A CN 1168627A
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binding agent
frequency
absorbent item
tan
radian per
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D·K·扎卡赖亚斯
黄永祥
F·G·德鲁克
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Kimberly Clark Worldwide Inc
Kimberly Clark Corp
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    • A61F13/00—Bandages or dressings; Absorbent pads
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Abstract

提供了一种吸收用品，它在体侧表面具有粘合剂以将之固定于穿戴者。该粘合剂在20℃的流变性tanδ，在约0.1弧度/秒的时候为约0.01-0.6；在约1000弧度/秒频率时为约0.1-1.7。该粘合剂优选为热熔粘合剂。

Description

自粘合吸收用品
                     发明领域
本发明涉及一种可弃型吸收用品，它有一种粘合剂，紧靠穿戴者的皮肤。进一步讲，本发明涉及一种月经用品，其面向人体的一面，带有粘合剂。
                     发明背景
适于吸收人体排泄物，如月经、尿、粪便等，外用的可弃型吸收用品的样式与种类是众所熟悉的。为简化本发明的描述，这样的用品，本专利中统称为卫生巾。本领域的技术人员会理解这类用品结构上的差异，以及与其它的结构相比，将会理解它们是相适应的。
卫生巾使用时的可靠性常常是通过由压敏胶将卫生巾与使用者的内衣连结来实现的。靠卫生巾与内衣粘结实现可靠性有很多缺点。一个缺点是粘合剂粘得太紧，使内衣里表面留有粘合剂。另一个缺点是卫生巾将随内衣而动，而不是随使用者人体而动。结果是降低了安全性，增加了泄漏、刺激、擦伤的危险及不舒服性。
以前，曾尝试将卫生巾与使用者粘连起来，但为避免粘合剂接触使用者的阴毛与敏感的阴部，卫生巾要很大才可。为保证卫生巾对使用者的安全，需使用已经在外科上应用的粘合剂。这些粘合剂的除去会引起用者临时性的痛感和不舒服。从而最好是避开敏感区。
因此，希望有一种卫生巾，它对使用者的身体是安全的，穿戴时舒服，容易分开，使用时对使用者有安全感，去掉时不引起不舒服。
                    发明概述
概言之，本发明涉及一种吸收用品，它具有一个吸收芯层，所述芯层至少有一个表面紧靠使用者的身体，即有一个面向人体的表面，其上有压敏粘合剂。优选的粘合剂是热熔粘合剂。适用于本发明的粘合剂具流变性，参比于20℃的tanδ在0.1弧度/秒(radians per second)的频率下为约0.01到约0.6，优选为约0.06到约0.48，在1000弧度/秒的频率时，tanδ为约0.10-1.7，优选为约0.2到约1.5。作为本发明的一个优选的具体的例子，此吸收用品含有一个表面层，其向人体的一面有粘合剂。
本发明的总目的是提供一种吸收用品，它由粘合剂与穿戴者的身体连结。更特定的目的是，本发明提供一种卫生巾，它使用一种或一种以上具特定流变性的粘合剂，使卫生巾与穿戴者连结一起。
本发明的另一目的是提供一种卫生巾，穿戴时感到舒服，很容易去掉且穿戴者不感到或很少感到疼痛或不舒服。
本发明的其它目的和优点，对本领域的技术人员来说，通过阅读下面的描述和附图，将会更加清楚。
                    附图简述
图1为本发明的一个实施方案的一种吸收用品的俯视平面图。
图2为图1沿2…2线的横截面图。
图3为National Starch粘合剂34-5516的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图4为National Starch粘合剂70-9908的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图5为Findley粘合剂H 2292H的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图6为按照本发明的National Starch粘合剂7659-42-3的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图7为按照本发明的National Starch粘合剂8111-60-4的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图8为按照本发明的National Starch粘合剂8111-69-2的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图9为按照本发明的National Starch粘合剂7659-41-3的频率(弧度/秒)对参比于20℃的流变性tanδ的时间-温度叠加图。
图10为频率(弧度/秒)对四边形ABCD图解的流变性的tanδ图。
               优选实施方案的详述本发明通常涉及可弃型吸收用品，它通过压敏粘合剂，优选是热熔压敏粘合剂与穿戴者的身体连结。为描述方便，只用月经用品即卫生巾为例来描述，但本发明不限于卫生巾。此处所说的“卫生巾”涉及一种用品，由女性穿戴，邻接阴部区，用以吸收并容纳种种人体的排泄物，如血、月经和尿。卫生巾是一次性用品，用完就弃掉。部分位于女性穿戴者前庭内，部分位于前庭外的唇间用具也在本发明的范围之内。可以理解，本发明亦适用于其它吸收用品，如尿布、失禁用品等。
当涉及图时，为容易理解，用同一数字标出从不同角度看到的及实例中的相同的细部。图1，图2是以卫生巾10作为实例的图解。虽然描绘出的是通常采用的运动跑道样的图，卫生巾10也可以有本领域技术人员所熟悉的任何其它形状。例如，砂漏形、椭圆形等。在最基本的例子中，卫生巾10有两条纵向的边12及14，横向的两侧16及18，吸收芯20及与朝向人体的粘合剂22。卫生巾10至少有一个主面24紧靠穿戴者的身体。面24是软的、液体可透过的。面向人体的面24的对面是不透液体的阻挡层26。
吸收芯20可以是任何一种材料，它通常是可压缩的，有舒适感的，不刺激穿戴者的皮肤，能吸收并容纳人体排泄物如尿、月经、血等。吸收芯20，在使用变湿时最好应维持它的完整性。吸收芯20可制成不同的形状及使用不同的吸液材料，在可弃型吸收用品领域，这些材料通常是大家所熟悉的。例如，吸收材料有纤维素纤维，木浆，再生纤维素纤维或棉纤维亦可使用。这些纤维可经化学或物理改性。吸收芯可以包括任一种上述纤维与其它天然的及合成的材料的组合，如与亲水泡沫塑料，亲水聚合体等的组合。木浆是最主要被选择的材料，因为它价廉及容易获得。吸收芯20也可包括一个薄的吸收层，如纱，织物或由纤维素纤维制成的类似物。吸收芯20也可以包括一种或几种在本领域所熟悉的超吸收材料。我们所谓的“超吸收”是指一种亲水胶体材料，它
能吸收亲水胶体材料干重量的至少10倍的水，优选为干重量的15至70倍。1993年9月21日授权于Ning等的美国专利5,247,072中对这些材料有进一步的描述，其中的一些内容结合进本专利并构成本专利的一部分。
阻挡层26，典型的应是不透液体的，被设计为能允许空气、湿气通过而阻挡液体通过。阻挡层26可由一种或几种聚合体膜组成，聚合体如聚乙烯、聚丙烯，玻璃纸或者一种膜/无纺布层压材料等。阻挡层26也可以由透过液体的材料构成，然后经处理或涂层，使之不可透液体。
图2所示的卫生巾10包括一个透液性覆层28，它有一个面向人体的表面24。覆层28紧靠吸收芯20。层28被设计为与人体接触，可从种种聚合体膜构成，它上面有细孔以便液体移至吸收芯，或者从织造布
织造布或由体液易于透过的天然或合成材料编织成，优选从聚乙烯或聚丙烯制备的热塑性聚合体膜。覆层28也可由层压膜及纤维衬底制成。层28上有细孔或压印以增加人体液体透过进入吸收芯20的速率。
面向人体的粘合剂22紧靠表面层28，是不连续的，基本上是分隔的长方形小点，或像粘合剂30这样的小点从而留下很多区域是没有粘合剂的。粘合剂30的面积约0.03平方厘米(cm2)至约20cm2，优选为约0.15cm2至15cm2。从透过层28的向体面24算起，粘合剂30的厚度约为0.01mm至约2mm。图1中的小圆圈近似地相当于面向人体粘合剂22的最小量，为获得足够的粘结效果以及除去时感到舒服的满意结果，这样的量是需要的。通常，粘合剂22小于向体面24面积的约90％，优选为小于70％，最优选为小于20％。
应该理解的是，可以在向卫生巾10的向体表面24施用粘合剂时采用任何合适的粘合剂形状，其条件是它与向体面24上所需要的粘合剂22浓度一致，并使得卫生巾10保持所需的吸收能力。如粘合剂的形状可以是卵形的，曲线形的，各种纵向及/或横向的线型或非线型排列以及编织成网状，用以编织的粘合剂纤维或其组合间应有不妨碍液体透过的空隙。粘合剂的形状可以是不连续的或是连续的。“不连续”的意思为粘合剂有间隙或虽连续但基本上不盖住卫生巾10的一个或一个以上横向端16和/或18。而“连续”的意思为粘合剂是围绕着吸收芯20。优选为粘合剂22的形状基本上与吸收芯20的形状相当。所希望的形状为粘合剂22的形状是轴对称的，此轴将卫生巾10二分，基本上将其等分。这样穿戴卫生巾10时给穿戴者有一种平衡的感觉。当卫生巾10从人体取下时也可减少不舒服感。
粘合剂22可由本领域所熟知的技术用于向体面22。例如通过丝网印刷或将粘合剂22从一个或几个喷嘴挤压到向体面24上，如1996年2月26日授权于Keller等的美国专利4,995,333，其全部内容均被本专利结合并构成本专利的一部分。
符合本专利的所用粘合剂可以是任一种压敏粘合剂，优选为热熔粘合剂，其有下面表示的特定的流变性质。合适的粘合剂包括A-B-A嵌段共聚体，A-B-B-A嵌段共聚体，此处A是一元乙烯基取代的芳烃聚合体片断，B是共轭双烯烃的弹性聚合体片断。测定聚合体的粘弹性是粘合剂流变分析的一种方法。聚合体的流变性质及它们的测量的详细说明请参阅：聚合体的粘弹性，John.D.Ferry，John Wiley ＆ Sons，第3版，264-280页(1980)；“从粘弹性及粘合行为研究三嵌段共聚体-粘性树脂相互作用”，Mun Fu Tse，Journal of Adhesion ScienceTechnology，Vol3.No.7,551-579页(1989)；以及ASTM-D4440-84的测试方法，此方法被引进本专利并构成本专利的一部分。粘合剂的流变性对本专利是至关重要的，tanδ的范围(参比于20℃)在约0.1弧度/秒频率时约为0.01至约0.6，优选为约0.06至0.48，最优选为约0.06至0.40，在约1000弧度/秒频率时，tanδ的范围约从0.1至约1.7，优选为0.2至约1.5，最优为约0.6至约1.5。
优选的粘合剂的tanδ(参比于20℃)应在图10所示ABCD四边形内，频率范围从约0.1弧度/秒至约1000弧度/秒。四边形ABCD的边线是从A，D，及B和C的关键tanδ画出来的，它们分别代表前面所述的较低频率即0.1弧度/秒及较高频率即1000弧度/秒的tanδ。一般说来，粘合剂的tanδ在ABCD四边形之外时，此种粘合剂或者不能使卫生巾10与穿戴者充分粘结或者不能舒服地将卫生巾10取下来。例如，请参见图10，粘合剂的tanδ值在约0.1至约100弧度/秒频率时，低于AB线，表示开始时卫生巾10与人体粘结或快速与人体粘结所需的流动性及湿润性不够。粘合剂的tanδ在约150至约1000弧度/秒频率时低于AB线，表示它的粘合性不够，难以使卫生巾10在使用时与穿戴者的身体安全并舒服地连结。
但是，粘合剂的tanδ值在约0.1至约100弧度/秒频率大于CD线，表示在贮存中粘合剂因粘性不够而难于在贮存、使用去除时定位在卫生巾上。粘合剂的tanδ在约150至1000弧度/秒频率时，大于线CD，表示将已沾脏了的卫生巾10取下时会引起不舒服。
特别优选的粘合剂有二级转变频率的峰值落在四边形ABCD之内以及在频率大于1000弧度/秒(见图6-9)时，有一级转变频率峰。“一级转变频率”峰和“二级转变频率”峰是从振幅测定的。在频率扫描中不管其存在情况如何，有较大振幅的峰是一级峰。峰的存在是从作log/log座标图决定的，在频率约0.01至107弧度/秒，用时间-温度叠加曲线法，对粘合剂22的频率(弧度/秒)-tanδ(参比于20℃)作图。这些曲线是由流变动力学光谱仪(RDS II E)测定的，它可从位于Possum Town Road，Piscataway，New Jersey 08854的Rheometrics公司购买。tanδ的流变量从约有2-3毫米厚度的未承于任何衬底上的整个粘合剂样品独立测定的。粘合剂被切割成直径25mm的圆片，放于流变动力学光谱仪的两块25mm平行板卡具间。上平面板降至样品面直至量力计稍稍偏转。在分析之前，可让样品在所选定的温度平衡。由电脑控制向样品加1％峰-峰(peak-to-peak)切应变。所用的频率可控制到十分之几的弧度/秒。从几何因子，扭矩信号仪的峰-峰振幅以及扭矩输出波的相滞后计算出正切(tanδ)损耗值。典型地为用从Rheometsic公司买的RHIO’s电脑软件控制仪器操作并从大家所熟悉的技术，从时间-温度叠加曲线法计算损耗值。
从-60℃至120℃，以10℃间隔，从0.1弧度/秒至100弧度/秒进行频率扫描。相对于20℃参比温度，Rhios软件画出移动的曲线。从这些移动的曲线，得到主曲线(master curve)。
粘合剂可以是橡胶型粘合剂，如丁苯橡胶，聚异丁烯橡胶，聚丁二烯橡胶以及聚戊二烯橡胶；水溶性粘合剂如聚乙烯醇，聚乙酸乙烯酯以及甲基纤维素；优选的热熔粘合剂如苯乙烯-丁二烯-苯乙烯、苯乙烯异戊二烯-苯乙烯、苯乙烯-乙烯丙烯-苯乙烯、苯乙烯-乙烯丙烯-苯乙烯嵌段共聚体，以及三元嵌段共聚体，如苯乙烯-乙烯丙烯-苯乙烯-乙烯丙烯。粘合剂中可加进合适的粘性树脂，如果可以时，还可加进油。这样的粘合剂可从位于Watertown Plank Road，Wauwatosa WI.，53226的Findley Adhesive公司以及位于10Finderue Avenue，PO BOX6500，Bridgewater，New Jersey 08807-3300的National Starch andChemical公司购买。
丙烯酸酯共聚体如乙酸乙烯酯-丙烯酸2-乙基己酯与增粘剂如乙烯胺结合是可以用的，但这些粘合剂不是优选的，因为它们非常粘，在卫生巾10取下来时，通常会引起非常大的不舒服。并且，当卫生巾10取下时，在穿戴者身上会留下残留的丙烯酸酯粘合剂。
从下面的例子能对本发明有更清楚的理解，这些例子仅仅是举例性的说明，本发明的范围不限于这些例子。
                   比较例A-C
对三种粘合剂：National Starch 34-5516，National Starch 70-9908及Findley H2292H的粘弹性，tanδ，剥离强度及舒服性(comfort)进行分析。
图3-5是这三种粘合剂的频率(弧度/秒)对粘弹性tanδ(参比于20℃)的图。从每张图可见，这些粘合剂对接触敏感的阴部是不能被接受的。
测试剥离强度的粘合剂试片制备如下：
将粘合剂涂在基片上，基片例如涂有硅油的隔离纸。用于测试的粘合剂形状为有2条(2)粘合剂边，每条边约6mm宽，与基片的纵向轴平行。粘合剂边线间距离约38毫米与试片的中间等距。粘合剂采用本领域所熟知的技术，缝涂在基片上。粘合剂/基片然后与纺粘聚丙烯无纺材料结合。该纺粘材料的单位重量为0.6盎司/平方码。基片/纺粘层压材料然后在热的压料辊上加压，压力范围为约35磅/英寸2(psig，表压)至约80psig，以保证有适当量的粘合剂转移至纺粘材料上。压料辊温度为约25℃至约150℃。加到纺粘材料上的粘合剂总量约263g/m2。被粘合剂覆盖的面积约16-25％。然后将基片去掉，粘合剂的试片即可进行剥离强度试验。
粘合剂的剥离强度用改进的压敏胶带委员会180°剥离强度测试法(PSTC-1)进行测试，方法如下。PSTC-1是一个标准测试方法，在“测试方法”1992年出版的第10版第23页上有详细的描述，“测试方法”可从位于401North Michigan Ave.，Chicago，I11，60111-4267的压敏胶带委员会处获得，其内容已组合进本专利，并构成本专利的一部分内容。剥离粘合值按如下步骤测定。
约13毫米宽的双面胶带牢固地贴到不锈钢测试板的上下边，测试板宽100毫米，长152毫米。胶带用3M#665，是位于St.Paul，Minnesota的3M公司的产品。带阳性压花的0.05毫米厚的聚乙烯膜以其有阳性压花的一面固定到双面胶上，并作为测试面。聚乙烯膜可购自Washington，Georgia的Edison Plastic公司的产品。无纺材料的一端，即前端，被牢牢地固定于不能拉伸的前条上。前条的强度要大于粘合剂的剥离强度。试样用2043g机械滚筒压到聚乙烯膜上(滚筒购自ChemsultantInternational公司，Mentor，Ohio)。随即在型号为810的Material TestSystem上进行180°剥离，Material Testsystem购自MTS公司，Minnepolis，MN55424。当试样放入试机时，试机的夹爪开始时设定为相距17.78厘米。钢测试板被装进固定夹爪(1.27cm)，同时未固定的前带伸过固定夹爪的位置。前带然后对折回来，在试机活动夹爪的中央区夹紧。开动试机，进行180°剥离试验。活动夹爪行进的总距离为20.32cm，中间被测试的粘合剂在中间，为10.16厘米。MTS系统用microprofiler model458.91能程序控制剥离速度。
三种粘合剂按上面描述的步骤，测定了它们的剥离强度，结果列于下面的表A中。
                    表A
样品    粘合剂       剥离粘合力(克力)于速率
                 100mm/min    1200mm/min  3500mm/min
 A     34-5516      390          ＞1200      ＞1200
 B     70-9908      580          ＞1200      ＞1200
 C     H2292H       450          ＞1200      ＞1200
舒服程度的数据通过对五个实验者测试该粘合剂得到。每个实验者前臂的平均毛发密度为约6-20根/平方厘米(cm2)。每个实验者在每一前臂上贴有(2)个粘合剂测试单元。
每个粘合剂单元由涂有试验粘合剂的缝涂基片组成。该基片由无纺材料制成，例如纺粘聚丙烯，宽63.5毫米(2.5英寸)。被试验的粘合剂用本领域已知工艺缝涂至该基片上，为2-六(6)毫米(1/4英寸)宽的条。各粘合剂条间距离为38.1毫米(1.5英寸)。该粘合剂条沿基片长度延伸。第一粘合剂测试单元长127毫米(5英寸)，第二粘合剂测试单元长约51厘米(2英寸)。
第一粘合剂测试单元置于测试者前臂的上部，其形式为：掌心向下，粘合剂测试单元的纵向中线与前臂的纵向中线相平行。第二粘合剂测试单元按类似方式置于实验者前臂的下部。以低于约8磅的力，将各个粘合剂测试单元压在实验者前臂上。
通过将粘合剂测试单元从前臂上取下，试验粘合剂的起始粘性以及舒服性，并于(2)小时后再次测定。
按上述步骤评估粘合剂舒服性的实验者认为这三种粘合剂在去除时非常不舒服。
                          实施例1-4
其它粘合剂，National Starch 7659-42-3、National Starch811-60-4、National Starch 8111-69-2及National Starch 7659-41-3按上述实施例A-C所述对粘弹性tanδ、玻璃强度以及舒服性进行了分析。图6-9是对这些各种粘合剂的频率-tanδ(参比于20℃)的图。从各图可见，这些粘合剂对接触敏感阴部区是可以接受的。
按以实施例A-C所述的测试步骤测试了这些粘合剂的剥离强度。结果列于下表。
                 表I
样品    粘合剂          剥离粘合力(克力)于速率
                  100mm/min    1200mm/min  3500mm/min
1     7659-42-3       90           430          300
2     8111-60-4       80           400          580
3     8111-69-2       60           350          580
4     7659-41-3      180           680         1050
按上述程序评估这些粘合剂舒服性的实验者认为这些粘合剂在去除时不具有过度的不舒服性。
从上述试验可见在将与去除吸收用品的去除速率相应的频率范围内具有低的tanδ值的重要性。虽然本发明是结合一个特定实施方案说明的，但是应该理解的是，在上述说明的启发下，许多替代、改进及变动将对本领域技术人员是显而易见的。据此，本发明意在包括后续权利要求的精神及范围之内的所有此类替代、改进以及变动。

Claims (20)

1、一种吸收用品，它包括：
a)一种吸收芯，它至少有一个主表面适于紧靠穿戴者的身体；以及
b)一种固定在所述的主表面上的压敏粘合剂，其中所述粘合剂的流变性tanδ，参比于20℃，于频率约0.1弧度/秒时为约0.01至0.6以及于频率约1000弧度/秒时tanδ为约0.1至约1.7。
2、根据权利要求1的吸收用品，其中所述的粘合剂是热熔粘合剂。
3、根据权利要求2的吸收用品，其中所述的粘合剂选自A-B-A嵌段共聚体，A-B-B-A嵌段共聚体，此处A代表单乙烯基取代芳烃的聚，合体片段，B代表共轭双烯烃的弹性聚合体片断。
4、根据权利要求1的吸收用品，其中所述粘合剂有大于约1000弧度/秒的一级转变频率峰。
5、根据权利要求1的吸收用品，其中所述的主表面有预定的面积，固定在此面上的粘合剂少于此面面积的约90％。
6、根据权利要求5的吸收用品，其中固定于所述面上的所述的粘合剂少于所述面面积的70％。
7、根据权利要求6的吸收用品，其中固定于所述面上的粘合剂少于所述面面积的20％。
8、根据权利要求5的吸收用品，其中所述的粘合剂在轴周围对称分布，其中所述的轴基本上将所述的吸收用品等分成两分。
9、根据权利要求7的吸收用品，其中所述的粘合剂的形状基本上与吸收用品的形状一致。
10、根据权利要求1的吸收用品，它还包含一个液体可透过的覆层，所述的粘合剂固定在此覆层上。
11、根据权利要求4的吸收用品，其中所述的粘合剂有二级转变频率峰，其频率范围约0.1至约1000弧度/秒。
12、根据权利要求11的卫生巾，其中所述的粘合剂在剥离速率约50mm/min至约3500mm/min时有剥离力为约50g至约750g。
13、一种月经用品，它包括：
a)一个覆层，它有一个向人体的表面和一个向衣服的表面，
b)一个紧靠所述向衣表面的吸收芯；以及
c)一种压敏粘合剂，它被固定在所述的向体表面，其中所述的粘合剂在频率约0.1弧度/秒时有流变性tanδ，参比于约20℃，约0.01至约0.6以及在频率约1000弧度/秒时，约0.1至1.7。
14、根据权利要求13的吸收用品，其中所述的粘合剂是一种热熔粘合剂，它选自苯乙烯-丁二烯-苯乙烯，苯乙烯-异戊二烯-苯乙烯，苯乙烯-乙烯丙烯-苯乙烯，苯乙烯-乙烯丁烯-苯乙烯以及苯乙烯-乙烯丙烯-苯乙烯-乙烯丙烯嵌段共聚体。
15、根据权利要求14的吸收用品，其中所述的向体表面有预定面积，固定于此表面上的所述的粘合剂少于90％此面面积。
16、根据权利要求15的吸收用品，其中所述的粘合剂包括一系列独立的粘合剂单元，所述的单元每个具有表面积约0.03cm2至约20cm2，厚度约0.01mm至约2mm。
17、根据权利要求16的卫生巾，其中所述的粘合剂在剥离速度约50mm/min至3500mm/min时有剥离力约50g至约750g。
18、一种卫生巾，它包括：
a)一个覆层，它有一个预定面积的向体表面和一个向衣表面。
b)一个吸收芯，紧靠所述面层的向衣表面；以及
c)一种热熔压敏粘合剂，它固定于向体表面，面积小于约90％向体表面面积，所述的粘合剂的tanδ落入ABCD四边形中，其中所述的四边形ABCD是由所述粘合剂以弧度/秒表示的频率对参比于的20℃的tanδ作图画出的，四边形ABCD的A及D点在频率约0.1弧度/秒时的tanδ分别约0.01及约0.6，在频率约1000弧度/秒时的tan分别约0.1及约1.7。
19、根据权利要求18的卫生巾，其中所述粘合剂的所述图的tan，在频率大于1000弧度/秒时有一个一级转变频率峰。
20、根据权利要求19的卫生巾，其中所述的粘合剂是一种形状连续的粘合剂。
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KR970706783A (ko) 1997-12-01
US6213993B1 (en) 2001-04-10
DE69519680T2 (de) 2001-08-02
PL179757B1 (pl) 2000-10-31
KR100375474B1 (ko) 2003-05-17
CA2201169A1 (en) 1996-05-09
SV1995000072A (es) 1996-06-17
CN1130184C (zh) 2003-12-10
ZA958447B (en) 1996-05-07
SK52797A3 (en) 1997-10-08
MX9702750A (es) 1997-09-30
EP0788338B1 (en) 2000-12-20
CZ126797A3 (cs) 1998-01-14
BR9509524A (pt) 1997-09-16
TW393312B (en) 2000-06-11
DE69519680D1 (de) 2001-01-25
UY24068A1 (es) 1996-04-23
WO1996013238A1 (en) 1996-05-09
HK1001757A1 (en) 1998-07-10
EP0788338B2 (en) 2006-06-28
JP3947564B2 (ja) 2007-07-25
AU3544695A (en) 1996-05-23
PL324420A1 (en) 1998-05-25
JPH10507944A (ja) 1998-08-04
DE69519680T3 (de) 2006-11-30
ATE198141T1 (de) 2001-01-15
PE28287995A1 (es) 1997-04-03
EP0788338A1 (en) 1997-08-13
ES2153049T3 (es) 2001-02-16
TR199501307A2 (tr) 1996-06-21
RU2155020C2 (ru) 2000-08-27
CA2201169C (en) 2006-08-15
AU706428B2 (en) 1999-06-17
EG20793A (en) 2000-03-29

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